Home / 313,380,982.20-432,009,966.56-219,002,112.56

Finding the Fourth Proportional to 313,380,982.20, 432,009,966.56 and 219,002,112.56

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Solution

The fourth proportional to 313,380,982.20, 432,009,966.56 and 219,002,112.56 is: 301,904,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,380,982.20 : 432,009,966.56 = 219,002,112.56 : x
  2. Step 2: Convert to fraction form
    313,380,982.20/432,009,966.56 = 219,002,112.56/x
  3. Step 3: Cross multiply
    313,380,982.20x = 432,009,966.56 × 219,002,112.56
  4. Step 4: Simplify right side
    313,380,982.20x = 94,611,095,323,614,960
  5. Step 5: Solve for x
    x = 94,611,095,323,614,960/313,380,982.20
  6. Step 6: Final answer
    x = 301,904,393.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.